<!--导航-->
<nav class="nav navbar-inverse" ms-controller="nav">
    <div class="container">
        <a href="#!/" class="nav-title">
            电脑维修系统
        </a>

        <a href="#!/login" class="nav-title pull-right" ms-if="!isLogin">
            登录
        </a>

        <button class="btn-out pull-right" ms-if="isLogin" ms-click="outLogin">退出</button>
        <span class="nav-title pull-right" ms-if="isLogin">{{username}}</span>
    </div>

</nav>